AU6518086A - Pressure-referenced programmed flow control in a hydraulic valve - Google Patents

Pressure-referenced programmed flow control in a hydraulic valve

Info

Publication number
AU6518086A
AU6518086A AU65180/86A AU6518086A AU6518086A AU 6518086 A AU6518086 A AU 6518086A AU 65180/86 A AU65180/86 A AU 65180/86A AU 6518086 A AU6518086 A AU 6518086A AU 6518086 A AU6518086 A AU 6518086A
Authority
AU
Australia
Prior art keywords
referenced
pressure
flow control
hydraulic valve
programmed flow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
AU65180/86A
Other versions
AU604000B2 (en
Inventor
Giorgio Fossati
Giuseppe Manco
Harold Terry
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Otis Elevator Co
Original Assignee
Otis Elevator Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/853,286 external-priority patent/US4674527A/en
Priority claimed from US06/853,284 external-priority patent/US4700748A/en
Application filed by Otis Elevator Co filed Critical Otis Elevator Co
Publication of AU6518086A publication Critical patent/AU6518086A/en
Application granted granted Critical
Publication of AU604000B2 publication Critical patent/AU604000B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
AU65180/86A 1985-11-18 1986-11-14 Pressure-referenced programmed flow control in a hydraulic valve Ceased AU604000B2 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US79966585A 1985-11-18 1985-11-18
US79976585A 1985-11-18 1985-11-18
US799665 1985-11-18
US799765 1985-11-18
US853286 1986-04-17
US06/853,286 US4674527A (en) 1985-11-18 1986-04-17 Pressure relieving linear motion valve
US06/853,284 US4700748A (en) 1985-11-18 1986-04-17 Pressure-referenced programmed flow control in a hydraulic valve
US853284 1992-03-18

Publications (2)

Publication Number Publication Date
AU6518086A true AU6518086A (en) 1987-05-21
AU604000B2 AU604000B2 (en) 1990-12-06

Family

ID=27505803

Family Applications (1)

Application Number Title Priority Date Filing Date
AU65180/86A Ceased AU604000B2 (en) 1985-11-18 1986-11-14 Pressure-referenced programmed flow control in a hydraulic valve

Country Status (6)

Country Link
EP (1) EP0227296B1 (en)
CN (1) CN1010970B (en)
AU (1) AU604000B2 (en)
DE (1) DE3684262D1 (en)
FI (1) FI90036C (en)
NZ (1) NZ218082A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4694935A (en) * 1986-10-17 1987-09-22 Cemco, Inc. Self-adjusting control valve for elevators
US5014824A (en) * 1990-01-19 1991-05-14 Otis Elevator Company Hydraulic elevator control valve
US5082091A (en) * 1990-01-19 1992-01-21 Otis Elevator Company Hydraulic elevator control

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3391702A (en) * 1965-12-14 1968-07-09 Gen Electric Liquid flow systems
JPS5138136B2 (en) * 1971-09-17 1976-10-20
JPS5326378B2 (en) * 1972-03-15 1978-08-02
CH578478A5 (en) * 1974-06-11 1976-08-13 Sig Schweiz Industrieges Hydraulically operated platform control system - has motor driving screwed spindle passing through control plunger
US3977497A (en) * 1975-02-26 1976-08-31 Armor Elevator Company, Inc. Hydraulic elevator drive system
IT1138425B (en) * 1981-06-16 1986-09-17 Stigler Otis S P A ELECTRO-FLUID DYNAMIC COMPLEX FOR THE OPERATION OF A CABIN OF AN ELEVATOR SYSTEM
FI71710C (en) * 1985-04-30 1987-02-09 Pentti Rita ELEKTRISKT STYRD VENTILANORDNING.
US4726450A (en) * 1985-11-18 1988-02-23 Otis Elevator Company Hydraulic elevator with dynamically programmed motor-operated valve

Also Published As

Publication number Publication date
FI90036B (en) 1993-09-15
FI90036C (en) 1993-12-27
CN1010970B (en) 1990-12-26
EP0227296A3 (en) 1989-03-22
CN86107735A (en) 1987-06-17
EP0227296B1 (en) 1992-03-11
EP0227296A2 (en) 1987-07-01
DE3684262D1 (en) 1992-04-16
NZ218082A (en) 1988-10-28
AU604000B2 (en) 1990-12-06
FI864662A0 (en) 1986-11-17
FI864662A (en) 1987-05-19

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